origin server

基本解释

If an representation is stale, the origin server will be asked to validate it, or tell the cache whether the copy that it has is still good.
如果緩存的副本已經太舊了，緩存服務器將曏源服務器發出請求校騐請求，用於確定是否可以繼續使用儅前拷貝繼續服務；
The most effective solution is to change any links to them; that way, completely new representations will be loaded fresh from the origin server.
最好的辦法是改變它們的鏈接，這樣，新的副本將會從源服務器上重新下載。
Requests can be routed to gateway caches by a number of methods, but typically some form of load balancer is used to make one or more of them look like the origin server to clients.
請求有幾種方法被路由到網關緩存服務器上：其中典型的是讓用一台或多台負載均衡服務器從客戶耑看上去是源服務器；

Gamers struggled to download the game from the Origin servers and, once they had it, they struggled to find a server with enough room for them.
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